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A 2.710 mol quantity of NOCl was initially placed in a 1.450 L reaction chamber at 400°C. After equilibrium was established, it was found that 28.60 percent of the NOCl has dissociated:
2NOCl(g) ? 2NO(g) + Cl2(g)
Calculate the equilibrium constant Kc for the reaction.
What molarity of a solution consisting of 11.8g of NaOH dissolved in enough water to make a 300mL solution? ii. How many moles of H2SO4 are contained in 225mL of 0.75M H2SO4
A gas occupies 10.0 L at 44.1 psi and 27 degrees C. What volume will it occupy at standard conditions
assume you have one hydrogen molecule in a 1.00 l flask at room temperature. calculate the average energy of the h2
A 9.357g piece of iron with Cs of .449J/g*c is placed in a hot water bath with temperature of 98.3C. The metal is placed in a calorimeter that contains 50.0mL of h20(dh20 is 1.00g/mL) at 24.0C. Explain what the final temperature of the water is.
In a glass if you are take 1.0 ml of a solution of HCl with a pH of 4.0 and add it to 9.0 ml of distilled water, what would be the pH of the final solution
A 25.95 -g sample of methanol at 35.6°C is added to a 38.65-g sample of ethanol at 24.7°C in a constant pressure calorimeter. If the final temperature of the combined liquids is 28.5°C and the heat capacity of the calorimeter is 19.3 J/°C, determi..
A full 50.0 L He cylinder that is attached to a gas chromatograph contains 1.20 kg of the gas. During transport, the temperature of the cylinder may vary from 0ºC to 40ºC. What minimum pressure must the tank be able to sustain
A solution contains 3.90g of solute in 14.2g of solvent. what is the mass percent of the solute in the solution
Problem- How many moles of NH3 will completely react with 1.0 moles of oxygen 4NH3 + 5O2 --> 4NO + 6H2O
Explain what mass of sodium phosphate would have to be added to 1.0 L of this solution to completely eradicate the hard water ions? Presume complete reaction.
water softeners often replace calcium ions with in hard water with sodium ions. however the fda recommends that adults
Water treatment plants commonly use chlorination to destroy bacteria. a byproduct is chloroform- CHCl3, a suspected carcinogen. This is produced when HOCl, formed by reaction of Cl2 and water
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